patches/glibc/2.7/210-alpha-ptr_mangle.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Feb 02 22:00:18 2009 +0000 (2009-02-02)
changeset 1201 c9967a6e3b25
parent 744 4bf8448536d5
permissions -rw-r--r--
Add a patchset for glibc 2_9. Vampirised from the gentoo repository.

/trunk/patches/glibc/2_9/500-ppc-glibc-2.9-atomic.patch | 414 414 0 0 ++++++++++
/trunk/patches/glibc/2_9/140-regex-BZ9697.patch | 111 111 0 0 +++
/trunk/patches/glibc/2_9/190-queue-header-updates.patch | 89 89 0 0 ++
/trunk/patches/glibc/2_9/370-hppa_glibc-2.7-hppa-nptl-carlos.patch | 249 249 0 0 ++++++
/trunk/patches/glibc/2_9/450-alpha-glibc-2.5-no-page-header.patch | 32 32 0 0 +
/trunk/patches/glibc/2_9/270-ldbl-nexttowardf.patch | 68 68 0 0 ++
/trunk/patches/glibc/2_9/330-2.3.3-china.patch | 35 35 0 0 +
/trunk/patches/glibc/2_9/340-new-valencian-locale.patch | 120 120 0 0 +++
/trunk/patches/glibc/2_9/410-2.9-fnmatch.patch | 64 64 0 0 ++
/trunk/patches/glibc/2_9/350-2.4-undefine-__i686.patch | 47 47 0 0 +
/trunk/patches/glibc/2_9/160-i386-x86_64-revert-clone-cfi.patch | 53 53 0 0 +
/trunk/patches/glibc/2_9/420-dont-build-timezone.patch | 19 19 0 0 +
/trunk/patches/glibc/2_9/150-regex-BZ697.patch | 28 28 0 0 +
/trunk/patches/glibc/2_9/290-no-inline-gmon.patch | 38 38 0 0 +
/trunk/patches/glibc/2_9/280-section-comments.patch | 29 29 0 0 +
/trunk/patches/glibc/2_9/180-math-tests.patch | 72 72 0 0 ++
/trunk/patches/glibc/2_9/120-_nss_dns_gethostbyaddr2_r-check-and-adjust-the-buffer-alignment.patch | 35 35 0 0 +
/trunk/patches/glibc/2_9/250-resolv-dynamic.patch | 44 44 0 0 +
/trunk/patches/glibc/2_9/300-2.9-check_native-headers.patch | 22 22 0 0 +
/trunk/patches/glibc/2_9/310-2.3.6-fix-pr631.patch | 50 50 0 0 +
/trunk/patches/glibc/2_9/130-add_prio-macros.patch | 26 26 0 0 +
/trunk/patches/glibc/2_9/260-fadvise64_64.patch | 30 30 0 0 +
/trunk/patches/glibc/2_9/440-alpha-glibc-2.4-xstat.patch | 249 249 0 0 ++++++
/trunk/patches/glibc/2_9/170-2.10-dns-no-gethostbyname4.patch | 35 35 0 0 +
/trunk/patches/glibc/2_9/230-2.3.3-localedef-fix-trampoline.patch | 74 74 0 0 ++
/trunk/patches/glibc/2_9/360-2.8-nscd-one-fork.patch | 45 45 0 0 +
/trunk/patches/glibc/2_9/480-alpha-glibc-2.8-cache-shape.patch | 18 18 0 0 +
/trunk/patches/glibc/2_9/210-2.9-strlen-hack.patch | 109 109 0 0 +++
/trunk/patches/glibc/2_9/320-2.9-assume-pipe2.patch | 59 59 0 0 +
/trunk/patches/glibc/2_9/100-ssp-compat.patch | 193 193 0 0 +++++
/trunk/patches/glibc/2_9/110-respect-env-CPPFLAGS.patch | 30 30 0 0 +
/trunk/patches/glibc/2_9/220-manual-no-perl.patch | 29 29 0 0 +
/trunk/patches/glibc/2_9/390-2.3.3_pre20040117-pt_pax.patch | 35 35 0 0 +
/trunk/patches/glibc/2_9/460-alpha-glibc-2.5-no-asm-elf-header.patch | 38 38 0 0 +
/trunk/patches/glibc/2_9/400-tests-sandbox-libdl-paths.patch | 198 198 0 0 +++++
/trunk/patches/glibc/2_9/240-i386-LOAD_PIC_REG.patch | 23 23 0 0 +
/trunk/patches/glibc/2_9/200-awk-in-C-locale.patch | 23 23 0 0 +
/trunk/patches/glibc/2_9/430-2.7-cross-compile-nptl.patch | 57 57 0 0 +
/trunk/patches/glibc/2_9/380-2.3.6-dl_execstack-PaX-support.patch | 71 71 0 0 ++
/trunk/patches/glibc/2_9/490-ptr-mangling.patch | 114 114 0 0 +++
/trunk/patches/glibc/2_9/470-alpha-glibc-2.8-creat.patch | 19 19 0 0 +
41 files changed, 3094 insertions(+)
     1 --- glibc-2.7.orig/sysdeps/unix/alpha/sysdep.h
     2 +++ glibc-2.7/sysdeps/unix/alpha/sysdep.h
     3 @@ -397,42 +397,4 @@
     4  	_sc_ret = _sc_0, _sc_err = _sc_19;			\
     5  }
     6  
     7 -/* Pointer mangling support.  Note that tls access is slow enough that
     8 -   we don't deoptimize things by placing the pointer check value there.  */
     9 -
    10 -#include <stdint.h>
    11 -
    12 -#if defined NOT_IN_libc && defined IS_IN_rtld
    13 -# ifdef __ASSEMBLER__
    14 -#  define PTR_MANGLE(dst, src, tmp)				\
    15 -	ldah	tmp, __pointer_chk_guard_local($29) !gprelhigh;	\
    16 -	ldq	tmp, __pointer_chk_guard_local(tmp) !gprellow;	\
    17 -	xor	src, tmp, dst
    18 -#  define PTR_MANGLE2(dst, src, tmp)				\
    19 -	xor	src, tmp, dst
    20 -#  define PTR_DEMANGLE(dst, tmp)   PTR_MANGLE(dst, dst, tmp)
    21 -#  define PTR_DEMANGLE2(dst, tmp)  PTR_MANGLE2(dst, dst, tmp)
    22 -# else
    23 -extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
    24 -#  define PTR_MANGLE(var)	\
    25 -  (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
    26 -#  define PTR_DEMANGLE(var)  PTR_MANGLE(var)
    27 -# endif
    28 -#elif defined PIC
    29 -# ifdef __ASSEMBLER__
    30 -#  define PTR_MANGLE(dst, src, tmp)		\
    31 -	ldq	tmp, __pointer_chk_guard;	\
    32 -	xor	src, tmp, dst
    33 -#  define PTR_MANGLE2(dst, src, tmp)		\
    34 -	xor	src, tmp, dst
    35 -#  define PTR_DEMANGLE(dst, tmp)   PTR_MANGLE(dst, dst, tmp)
    36 -#  define PTR_DEMANGLE2(dst, tmp)  PTR_MANGLE2(dst, dst, tmp)
    37 -# else
    38 -extern uintptr_t __pointer_chk_guard attribute_relro;
    39 -#  define PTR_MANGLE(var)	\
    40 -	(var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
    41 -#  define PTR_DEMANGLE(var)  PTR_MANGLE(var)
    42 -# endif
    43 -#endif
    44 -
    45  #endif /* ASSEMBLER */
    46 --- glibc-2.7.orig/sysdeps/unix/sysv/linux/alpha/sysdep.h
    47 +++ glibc-2.7/sysdeps/unix/sysv/linux/alpha/sysdep.h
    48 @@ -98,4 +98,46 @@
    49  	INTERNAL_SYSCALL1(name, err_out, nr, args);			\
    50  })
    51  
    52 +/* Pointer mangling support.  Note that tls access is slow enough that
    53 +   we don't deoptimize things by placing the pointer check value there.  */
    54 +
    55 +#if defined NOT_IN_libc && defined IS_IN_rtld
    56 +# ifdef __ASSEMBLER__
    57 +#  define PTR_MANGLE(dst, src, tmp)				\
    58 +	ldah	tmp, __pointer_chk_guard_local($29) !gprelhigh;	\
    59 +	ldq	tmp, __pointer_chk_guard_local(tmp) !gprellow;	\
    60 +	xor	src, tmp, dst
    61 +#  define PTR_MANGLE2(dst, src, tmp)				\
    62 +	xor	src, tmp, dst
    63 +#  define PTR_DEMANGLE(dst, tmp)   PTR_MANGLE(dst, dst, tmp)
    64 +#  define PTR_DEMANGLE2(dst, tmp)  PTR_MANGLE2(dst, dst, tmp)
    65 +# else
    66 +extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
    67 +#  define PTR_MANGLE(var)	\
    68 +  (var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
    69 +#  define PTR_DEMANGLE(var)  PTR_MANGLE(var)
    70 +# endif
    71 +#elif defined PIC
    72 +# ifdef __ASSEMBLER__
    73 +#  define PTR_MANGLE(dst, src, tmp)		\
    74 +	ldq	tmp, __pointer_chk_guard;	\
    75 +	xor	src, tmp, dst
    76 +#  define PTR_MANGLE2(dst, src, tmp)		\
    77 +	xor	src, tmp, dst
    78 +#  define PTR_DEMANGLE(dst, tmp)   PTR_MANGLE(dst, dst, tmp)
    79 +#  define PTR_DEMANGLE2(dst, tmp)  PTR_MANGLE2(dst, dst, tmp)
    80 +# else
    81 +extern uintptr_t __pointer_chk_guard attribute_relro;
    82 +#  define PTR_MANGLE(var)	\
    83 +	(var) = (void *) ((uintptr_t) (var) ^ __pointer_chk_guard)
    84 +#  define PTR_DEMANGLE(var)  PTR_MANGLE(var)
    85 +# endif
    86 +#else
    87 +/* Pointer mangling is not yet supported for static libc on alpha.  */
    88 +# ifndef __ASSEMBLER__
    89 +#  define PTR_MANGLE(var)   (void) (var)
    90 +#  define PTR_DEMANGLE(var) (void) (var)
    91 +# endif
    92 +#endif
    93 +
    94  #endif /* _LINUX_ALPHA_SYSDEP_H */